{"uid":"cap_fiT6fFZWUZjTI6F5sKzM1","slug":"imagemeta-seo-metadata-writer-5dbcc89d","name":"ImageMeta SEO Metadata Writer","description":"Write SEO metadata into a JPEG, PNG or WebP image and return the modified image. The picture is never re-encoded and existing metadata of the same kind is replaced, not duplicated. Paid per successful call over x402: the first attempt answers HTTP 402 with the price; a failed call is not charged.","url":"https://imagemeta.kaneky.dev/api/write_metadata?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"alt":{"type":"string"},"title":{"type":"string"},"author":{"type":"string"},"keywords":{"type":"string"},"copyright":{"type":"string"},"description":{"type":"string"},"image_base64":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fJy1oVRa4if1h8kdNDxR8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Embeds SEO metadata fields (title, alt, author, keywords, copyright, description) into a JPEG, PNG, or WebP image without re-encoding it, returning the modified image.","exampleAgentPrompt":"Take this product image (base64 encoded) and write the SEO metadata into it — set the title to 'Red Leather Wallet', alt to 'Close-up of a slim red leather bifold wallet', keywords to 'wallet, leather, red, slim, bifold', author to 'Jane Smith', copyright to '© 2024 Acme Co', and description to 'Premium handcrafted red leather wallet'.","exampleUseCases":[{"title":"SEO-tag product images before upload","prompt":"I have a PNG of our new running shoe — base64 encoded — and I need to embed the SEO fields before we push it to the site: title 'Blue Trail Running Shoe', alt 'Blue lightweight trail running shoe on white background', keywords 'running shoe, trail, blue, lightweight', author 'SportsBrand', copyright '© 2024 SportsBrand Inc', description 'Ultralight trail running shoe designed for rugged terrain'."},{"title":"Copyright-stamp photos for publishing","prompt":"I'm about to publish this WebP photo on our news site; can you write the metadata into the image so that author is 'Carlos Rivera', copyright is '© 2024 Rivera Photography', and title is 'Sunset Over the Bay'? Here's the image in base64."},{"title":"Accessibility metadata for image library","prompt":"We have a JPEG in our media library that's missing alt text and a description — the image is base64 encoded. Please embed alt text 'Graph showing quarterly revenue growth from Q1 to Q4 2023' and description 'Bar chart of quarterly revenue, rising from $2M to $5M over 2023'."}],"resultDescription":"The modified image file (JPEG, PNG, or WebP) is returned with the specified SEO metadata fields embedded directly into it. The image pixel data is never re-encoded, so there is no quality loss. Any previously existing metadata of the same types is replaced rather than duplicated.","failureModes":["Invalid or malformed base64 image string — returns an error indicating the image could not be decoded","Unsupported image format (not JPEG, PNG, or WebP) — returns an error","HTTP 402 on first attempt with x402 payment required — agent must handle payment and retry","Missing required fields — call may succeed with partial metadata or return a validation error","Image too large — may time out or return a size-limit error"],"whenToPreferThis":"Choose this endpoint when you need to embed SEO or descriptive metadata (title, alt, keywords, author, copyright, description) directly into an image file without re-encoding or degrading image quality. It is ideal for pre-publish workflows that require standards-compliant image metadata, digital asset management pipelines, or accessibility tagging. Prefer this over server-side CMS metadata fields when the metadata must travel with the image file itself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T00:30:42.725Z","isFirstParty":false,"canonicalSlug":"imagemeta-seo-metadata-writer-5dbcc89d"}